Sentence examples for test variables from inspiring English sources

"test variables" is a correct and usable phrase in written English.
It can be used in various contexts related to experiments or evaluations. Example 1: In a scientific research paper, the authors reported the results of the experiment and included a section on the test variables used in their study. Example 2: The software engineer adjusted the test variables to improve the accuracy of the code's performance. Example 3: During the job interview, the interviewer asked the candidate to explain their process for determining the test variables in their previous projects. Example 4: Before conducting the survey, the market researcher carefully selected the test variables to ensure the data collected would accurately reflect consumer opinions.